From “Don’t Cross the Seams” by Blythe Hilson

Successfully crossbreeding plaid with jeans to get plaid jeans would cross the seams, and that would be bad. Bad in that it would cause a singularity. And that would open a portal through which the denim demons foretold in the book of Levi could invade our world and wreak havoc.

Do you really want that? To be scalded by red-hot rivet rain from on high while the world is thoroughly pantsed?